Puddled steel

steel made directly from cast iron by a modification of the puddling process.
(Metal.) a variety of steel produced from cast iron by the puddling process.

See also: Puddle, Steel

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Later bridges were built of puddled steel and cast steel.
The objective of this study was to estimate the fatigue strength of puddled steel used for the structural elements of over hundred years old railway bridge, taking into consideration the requirements of the current design codes.
Considering the age, structure and chemical composition of the material as well as the distribution of lamellar fractures, it is certain that the tested steel corresponds to puddled steel, which was commonly used in bridge engineering in Poland in the late nineteenth century.
But, though the works had moved from nineteenth-century puddled steel processes to electric arc furnaces and the production of high quality special steels, technological change made the 'Anvil of South Yorkshire' redundant in the early '90s.